Common TCP Ports
| Port | Service |
|---|---|
| 22 | SSH, SFTP |
| 25 | SMTP |
| 80 | HTTP |
| 88 | Kerberos |
| 110 | POP3 |
| 139 | SMB |
| 143 | IMAP |
| 389 | LDAP |
| 443 | SSL and HTTPS |
| 445 | Microsoft SMB Domain Server |
| 465 | SMTP |
| 515 | Line Printer (LPR), Line Printer Daemon (LPD) |
| 548 | AFP (Apple Filing Protocol) over TCP |
| 554 | RTSP |
| 587 | Authenticated SMTP |
| 631 | Internet Printing Protocol (IPP) |
| 636 | Secure LDAP |
| 749 | Kerberos 5 admin/changepw |
| 993 | IMAPS (SSL Mail IMAP) |
| 995 | POP3S (SSL Mail POP) |